Sylvia Rose
Chalcopyrite (CuFeS₂): Shining Copper Ore
Chalcopyrite (CuFeS₂) is vital to the earth's geology. A primary ore of copper, this scintillating mineral is influential to health,...
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Sylvia Rose
Oct 185 min read
Talc (Magnesium Silicate): Beauty, Art & Industry
Talc or hydrated magnesium silicate is a naturally occurring mineral, primarily composed of magnesium, silicon, and oxygen. With its...
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Sylvia Rose
Sep 253 min read
Oil of Philosophers: Alchemy Health & Beauty
Oil of Brick is known as Oil of Philosophers by alchemists and Oleum de Lateribus (Oil on the Sides) by apothecaries. This medicinal and...
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Sylvia Rose
Sep 234 min read
Corundum: Secrets of Valuable Gemstones
Corundum is a mineral composed of aluminum oxide. Living deep within the Earth in an environment of intense heat and pressure, the...
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Sylvia Rose
Sep 13 min read
Science of Rust Earth Pigments & Colors
Rust is a complex chemical reaction from the interaction of iron, oxygen, and moisture. This common phenomenon produces striking colors...
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Sylvia Rose
Sep 13 min read
Goethite: The Other Iron-Rich Mineral
Goethite is common but like hematite a remarkable iron oxide mineral. In geology and mineralogy, goethite has piqued the interest of...
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